In a mythical temple full of obstacles, Olivia and Hassan learn simple mental maths and apply it to work out the passcode to open the door.
If I asked you to multiply 51,689 by 89,542 without using your phone or calculator, how much time would it take you? Fourteen-year-old Aaryan Shukla can solve this arithmetic in a matter of ...
During the pandemic, Rishik Shenolikar offered to help tutor neighborhood kids in his garage. It was a small group of elementary schoolers, and he used a mental math book that intrigued him. He helped ...